Comparing two types of advance directive forms for ease of use
Official title: Comparing the Stanford Letter Project Form to Traditional Advance Directives
Run by Stanford University · NCT02799537 · Data updated 2026-11-12
This study is testing which of two advance directive forms is easier to use for adults who can read and write in English or Spanish, to help them better communicate their healthcare wishes.
Quick facts
| Study type | Interventional |
|---|---|
| Ages | 18 Years and up |
| Sex | All |
| Enrollment | 1000 (estimated) |
| Sponsor | Stanford University Academic / other |
| Locations | 1 site (Stanford, California) |
| Status | Recruiting |
| Started | February 2016 |
| Main results expected | August 2026 |
| Study ends | December 2026 |
| Registry record updated | April 8, 2024 |
| Trial ID | NCT02799537 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Ideal candidates for this study are adults over 18 years old who can read and write in English or Spanish.
✕Probably not a fit
Patients under 18 years old will not benefit from this study as they are excluded from participation.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This study aims to compare the usability of two advance directive forms: the Stanford Letter Project Form and traditional advance directives, available in both English and Spanish. Adult participants who can read and write in these languages will be randomly assigned to one of the two forms and will provide feedback on their preferences and understanding. The study will collect data until a total of 1,000 participants is reached, after which the results will be analyzed and published. The focus is on improving advance care planning and ensuring that patients can effectively communicate their healthcare preferences.
Why it matters
Potential benefit: If successful, this study could enhance the process of advance care planning, making it easier for patients to express their healthcare wishes.
How similar studies have gone: Other studies have explored advance directives, but this specific comparison of usability between two formats is relatively novel.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: * Over 18 years of age Exclusion Criteria: * Under 18
Where it's running
-
Stanford School of Medicine
Stanford, California, United States Recruiting
Study contacts
- Principal investigator: VJ Periyakoil, MD — Stanford University
- Study coordinator: VJ Periyakoil, MD
- Email: Periyakoil@stanford.edu
- Phone: (650) 493-5000
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How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.